Update index.md

add:
[IOURL]:                    http://io.cloudcmd.io "IO"
[JitSuURL]:                 http://cloudcmd.jit.su "JitSu"
[HerokuURL]:                http://cloudcmd.herokuapp.com/ "Heroku"
[RunKiteURL]:               http://cloudcmd.apps.runkite.com/ "RunKite"
[RunKiteURL]:               http://cloudcmd.apps.runkite.com/ "RunKite"
[IO_LIVE_IMG]:              https://status-ok.cloudcmd.io/host/io.cloudcmd.io/fs?json "IO"
[JitSu_LIVE_IMG]:           https://status-ok.cloudcmd.io/host/cloudcmd.jit.su/fs?json "JitSu"
[HEROKU_LIVE_IMG]:          https://status-ok.cloudcmd.io/host/cloudcmd.herokuapp.com/fs?json "Heroku"
[RunKite_LIVE_IMG]:         https://status-ok.cloudcmd.io/host/cloudcmd.apps.runkite.com/fs?json "RunKite"